/*
 * @LastEditTime: 2023-03-18 12:58:33
 * @Method: 
 * @Description: 
 */
package Preview;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        
    }
}
